ライフサイエンスコーパス: hypochord

1 The urostyle comprises of a coccyx and a hypochord.

2 xpressed in the yolk syncytial layer and the hypochord.

3 h an emphasis on understanding the ossifying hypochord.

4 to be specified as floorplate, notochord or hypochord.

5 ochord lies medially, flanked by presumptive hypochord and both overlie the deep region of the presum

6 cial cartilage, ear, notochord, floor plate, hypochord and fins in a pattern similar to the expressio

7 dorsal midline, prechordal plate, notochord, hypochord and floor plate share a common embryonic origi

8 dline structures, including notochord and/or hypochord and neural floorplate, regulate Xnr-1 expressi

9 inhibiting notochord formation and promoting hypochord and possibly floor plate development, but the

10 sion resolves to the neural tube floorplate, hypochord, and (transiently) the notochord anlage, and i

11 eginning of gastrulation caused expansion of hypochord at the expense of notochord, but floor plate w

12 ailbud to specify hypochord from a notochord/hypochord bipotential cell population.

13 Hypochord cells are also found at the midline of anamnio

14 We demonstrate here that floor plate and hypochord cells arise from distinct regions of the zebra

15 We show that floorplate and hypochord cells collectively migrate posteriorly along t

16 nk notochord cells and excess floorplate and hypochord cells.

17 mbryos had reduced numbers of floorplate and hypochord cells; these cells lie above and beneath the n

18 neurulation leads to the complete failure of hypochord development and to the elimination of expressi

19 in presumptive hypochord precursors and for hypochord development.

20 otochord signaling, a significantly enlarged hypochord develops.

21 ate during early neural stages, and that the hypochord does not depend on further notochord signals f

22 s composed of the notochord, floorplate, and hypochord elongate synchronously with their lengths alig

23 ells in the underlying endoderm to take on a hypochord fate during early neural stages, and that the

24 Notch signaling promotes floor plate and hypochord fates over notochord, but has variable effects

25 hy; second, thyroid hormone directly affects hypochord formation and appears to have a secondary effe

26 tants have significantly stronger defects in hypochord formation but not in somitogenesis or hindbrai

27 c effects on both hindbrain neurogenesis and hypochord formation.

28 ol of somite segmentation, neurogenesis, and hypochord formation.

29 eurulation, however, does not interfere with hypochord formation.

30 , continues to act in the tailbud to specify hypochord from a notochord/hypochord bipotential cell po

31 nt proliferation and controls floorplate and hypochord growth.

32 dorsal midline (floor plate, notochord, and hypochord) has been an area of classical research and de

33 We find that the coccyx and hypochord have two different developmental histories: Fi

34 both paraxial and axial mesoderm (including hypochord), in similar patterns and amounts in both spec

35 We propose that the ossifying hypochord-induced loss of the tail during metamorphosis

36 Notch signaling, required for hypochord induction during gastrulation, continues to ac

37 The embryonic hypochord is known to play a significant role in the pos

38 It appears likely that the hypochord is required for the formation of the dorsal ao

39 and to the elimination of expression of the hypochord marker, VEGF.

40 Our results suggest that the ossifying hypochord plays a role in remodeling the DA in the newly

41 required for her4 expression in presumptive hypochord precursors and for hypochord development.

42 During gastrulation, hypochord precursors are closely associated with no tail

43 We show that hypochord precursors arise from the lateral edges of the

44 prechordal plate, notochord, floor plate and hypochord progenitors during gastrulation.

45 neighboring midline precursors to develop as hypochord, rather than as notochord.

46 aling during gastrulation entirely prevented hypochord specification but only reduced the number of f

47 However, the contribution of an ossifying hypochord to the coccyx in anurans is unique among verte

48 ore metamorphic climax whereas the ossifying hypochord undergoes rapid ossification and hypertrophy;

49 hord are critical for the development of the hypochord, which is a transient, endodermally derived st

50 diffusible form of VEGF is expressed by the hypochord, which lies at the embryonic midline immediate

51 One such cell type is hypochord, which lies ventral to notochord in anamniote